Does it stutter at the end of the clip while going back to the start? <br><br>Do you have any audio in the clips? <br><br>What is the GEM compile date?<br><br><div><span class="gmail_quote">On 6/27/07, <b class="gmail_sendername">
simon wise</b> <<a href="mailto:simonxwise@hotmail.com">simonxwise@hotmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>On 27 Jun 2007, at 1:27 AM, chris clepper wrote:<br><br>> What type of video files and at what size? How many clips are<br>> playing on one machine at the same time? What is the display<br>> resolution? The Intel graphics have some problems above usual
<br>> desktop sizes and shader performance is really horrible too.<br><br>I'm using pix_movie to play .dv movies by asking for each frame in<br>turn, so that I can scrub, pause etc with all machines in sync. It<br>
works well, except for the intermittent series of hesitations I<br>assume are either dropped or late frames.<br><br>To debug this I switched to using a single machine, no network<br>connections and tested using [auto 1( instead of frame-by-frame -
<br>only 1 clip playing in this simple setup. Then tried different codecs<br>- H264, PhotoJPEG each 576x720 and 1024x768. The MacMini is connected<br>to the 1024x768 projector via a short DVI cable. The GEM window is<br>set to fullscreen, frame rate 25.
<br><br>There was a slight improvement with the H264@576x720 but the problem<br>was still there. Quicktime could play all the movies at fullscreen<br>smoothly.<br><br>I have some other MacMinis - PPC and intel - coming soon so I'll test
<br>these and try higher framerates for GEM. The Intel ones have just<br>been used with Isadora in a similar way and apparently had the same<br>issue. The hesitation is only very noticeable on video with fast<br>moving, high contrast scenes - but it is obvious then.
<br><br>Pity about the shader performance - I was planning to use Minis for a<br>more complex setup with masks and some colour correction but I guess<br>I'll need to go with bigger boxes and better graphics cards (probably
<br>similar $$), or try to find some old G4 Minis.<br><br>Simon<br><br><br></blockquote></div><br>